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《Science Technology and Engineering》 2014-17
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Underwater Acoustic Channel Decision Feedback Equalization Algorithm Based on Time Reversal

ZHANG Yan-ping;ZHANG Zhao-yong;Jiangsu Key Laboratory of Meteorological Observation and Information Processing,College of Electronic and Information Engineering,Nanjing University of Information Science & Technology;  
The multipath expansion of underwater acoustic communication system has impacts on water acoustic signal transmission and of traditional adaptive equalizer can not compensate the multipath effect for the channel in real time. The time reversal focusing technology of space-time is used,combining time reversal with T /2 fractionally-spaced decision-feedback equalizer,to construct the underwater acoustic channel decision feedback algorithm based on time reversal. The simulation results show that which verity the new algorithm,it can reach inter symbol interference suppression,and reduce the error rate purposes,colidity and correctness.
【Fund】: 国家自然科学基金项目(61203273);; 2013年度江苏省高校自然科学研究重大项目(13KJA510001);; 江苏省普通高校研究生科研创新计划项目(CX10B_303Z)资助
【CateGory Index】: TN929.3
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